Washbasin
- ≤ 100mm encroachment into WC circulation[1]
- Different rules apply to[2]
- Public use, &
- Sole-occupancy use
Washbasin RULES
NCC 2022 V2
All Building Classes
NCC 2022 F4D5 [2019 F2.4]
May 2023
NCC 2022 Vol 1, F4D5
AS 1428.1:2009, 15.3
AS 1428.1:2009, 15.3.2 (d) (ii)
AS 1428.1:2009, 15.4.1
AS 1428.1:2009, 15.4.3
AS 1428.1:2009, 15.4.3
AS 1428.1:2009, 15.3.1 (a)
AS 1428.1:2009, 15.3.1
Accessibility Overview
AS 1428.1:2021, 12.2.8 (Figure 43)
AS 1428.1:2021, 12.2.8.1 (e)
AS 1428.1:2021, 12.6
AS 1428.1:2021, 12.2.8 (Figure 43)
If no baby change table & door clearance allows
All dimensions from finished surface
AS 1428.1:2021, 12.2.8 (Figure 43)
AS 1428.1:2021, 12.2.8 (Figure 43)
AS 1428.1:2021, 12.2.2
AS 1428.1:2021, 12.6 (Figure 50B)
AS 1428.1:2021, 12.2.8 (Figure 43)
AS 1428.1:2021, 12.3.1 (f)
AS 1428.1:2021, 12.3.1 (f)
AS 1428.1:2021, 12.2.8 (Figure 43)
AS 1428.1:2021, 12.3.1 (f)
AS 1428.1:2021, 12.3.1 (f)
AS 1428.1:2021, 12.3.1 (f)
Allow more for
deeper basins
AS 1428.1:2021, 12.6
WC Installation
Circulation
- ≥ 2m high clearance[1]
- From finished surface
- Zones may overlap
Circulation RULES
NCC 2025 V1
NCC 2025 Vol 1, F4D2
AS 1428.1:2021, 12.2.8.1
AS 1428.1:2021, 12.2.8.1
AS 1428.1:2021, 12.2.8.1 (iv)
AS 1428.1:2021, 12.2.8.1 (i)
AS 1428.1:2021, 12.2.8.1 (vi)
AS 1428.1:2021, 12.2.8.1
Baby Change Table
- Must not encroach on any circulation space[1]
- When in closed position
Baby Change Table RULES
NCC 2025 V1
AS 1428.1:2021, 12.2.8.2 (a)
AS 1428.1:2021, 12.2.8.2 (b)
NCC 2025 Vol 1, F4D2
AS 1428.1:2021, 12.2.8.2
AS 1428.1:2021, 2
Construction ToleranceAS 1428.1:2021, 2
- All dimensions are from finished surfaces & must be maintained
- Allow appropriate construction tolerances
Wash Basin Installation
Washbasin
- ≤ 100mm encroachment into WC circulation[1]
- Different rules apply to[2]
- Public use, &
- Sole-occupancy use
Washbasin RULES
NCC 2025 V1
AS 1428.1:2021, 12.3
AS 1428.1:2021, 12.3.2 (c) (ii)
AS 1428.1:2021, 12.4.1
AS 1428.1:2021, 12.4.3
AS 1428.1:2021, 12.4.3
NCC 2025 Vol 1, F4D5
AS 1428.1:2021, 12.3.1 (a)
AS 1428.1:2021, 12.3.1
Water Closet
- Accessibility compliant suite[1]
- ≥ 30% luminance contrast seat colour[2]
WC Pan RULES
NCC 2025 V1
NCC 2022 Vol 1, F4D2
AS 1428.1:2021, 12.4.5 (b)
AS 1428.1:2021, 12.4.4
AS 1428.1:2021, 12.2.8.1
AS 1428.1:2021, 12.2.3 (e)
AS 1428.1:2021, 12.2
Door
- Swing or sliding door allowed[1]
- Latch & in-use indicator required[2]
- Emergency openable from outside[3]
Swing Door RULES
NCC 2025 V1
NCC 2025 Vol 1, F4D5
AS 1428.1:2021, 12.2.9 (a)
AS 1428.1:2021, 10.4.2 (e)
AS 1428.1:2021, 12.2.9 (b)
- Provision of access for people with disabilities in compliance to NCCNCC 2025 Vol 1, F4D5
- Latchless hold-close system mandatory for outward DoorsAS 1428.1:2021, 12.2.9 (a)
- Visible occupancy indicator & secure locking (bolt or catch) required, with emergency outside accessAS 1428.1:2021, 10.4.2 (e)
- Snib Handle
- ≥ 45mm distance from centre of Spindle
- ≤ 20N opening, swinging & holding force with stable position between 60 to 90°AS 1428.1:2021, 12.2.9 (b)
- AS 1428.1 compliant Lever Handle required
- Inward opening Door Clearance options as per detail below
AS 1428.1:2021, 12.2.9
AS 1428.1:2021, 12.2.9 (b)
AS 1428.1:2021, 12.2.9 (b)
AS 1428.1:2021, 12.2.8.1 (i)
AS 1428.1:2021, 12.4.3
AS 1428.1:2021, 12.3.1
Shelf
- Required as either
- Part of a compliant Vanity Top[1], or
- Shelf fixture, requirements vary if within any Circulation Space[2]
Shelf RULES
NCC 2025 V1
Classes 2 to 9
NCC 2025
May 2023
NCC 2025 Vol 1, F4D5
AS 1428.1:2021, 12.4.2 (a)
AS 1428.1:2021, 12.4.2 (b) (ii)
AS 1428.1:2021, 12.4.2 (b) (i)
- Provision of access for people with disabilities in compliance to the NCCNCC 2025 Vol 1, F4D5
- Shelf space should be provided next to the washbasin in one of these ways
- Shelf as part of Vanity BenchAS 1428.1:2021, 12.4.2 (a)
- ≥ 120mm width x ≥ 300mm length
- 800 to 830mm bench height
- Shelf as a separate fixture next to basinAS 1428.1:2021, 12.4.2 (b) (ii)
- ≥ 120mm width x 400mm length
- 790mm to 1m above FFL
- Not allowed over a circulation ZONE
- Shelf as a separate fixtureAS 1428.1:2021, 12.4.2 (b) (i)
- 120 to 150mm width x 300 to 400mm length
- 900mm to 1m above FFL
- Allowed within a circulation ZONE
AS 1428.1:2021, 12.4.2 (a)
AS 1428.1:2021, 12.4.2 (b)

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